Standard: API 5L PSL1/PSL2, API SPEC 5CT PSL1/PSL2Grade: A、B、X42、X46、X52、X56、X60、X65、X70Material: H40, J55, K55, N80, API GR.A, GR.BSpecification: 2-3/8"----10-3/4" (OD: 60.3mm-273.1mm)Wall thickness: 3.2mm----12.7mmSurface treatment: oil coating...
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